MARISA OKTAVIA; PUTRA, E. T.; OSWARA, R. M. Estimasi Rata- Rata Tingkat Pengembalian Modal berdasarkan Biaya Eksplorasi terhadap Harga Jual Batubara di PT. Andalas Nusa Indah Kabupaten Bungo , Provinsi Jambi: Average Rate Estimation of Return on Capital based on Exploration Costs on Coal Selling Price at PT. Andalas Nusa Indah Bungo District, Jambi Province. JTK (Jurnal Teknik Kebumian), [S. l.], v. 10, n. 01, p. 51-55, 2024. DOI: 10.22437/jtk.v10i01.29064. Disponível em: https://online-journal.unja.ac.id/jtk/article/view/29064. Acesso em: 26 nov. 2024.